Timeline

Last Updated: October 9, 2026

Registration is open Runs through Nov 17 — tap here to sign up.

Challenge is underway Runs Sep 1 through Nov 30 — a three-month sprint.

Registration is open Runs through Nov 17 — tap here to sign up.

Important dates are listed below:

Date*†	Milestone
Jul 27, 2026	SP Grand Challenge (SPGC) proposals deadline
Aug 10, 2026	SPGC proposal outcome announced — accepted ✓
Aug 25, 2026	Registration opens (register)
Sep 1, 2026	Challenge starts
Nov 17, 2026	Registration closes
Nov 30, 2026	Challenge ends; release of withheld test stimuli to registered participants
Dec 1, 2026	Submission deadline for processed test stimuli, system reports, and analytical model-design sheets
Dec 21, 2026	Notification of final results
Jan 7, 2027	2-page invited papers due^
Jan 21, 2027	2-page paper acceptance notification^
Jan 28, 2027	Camera-ready 2-page paper deadline^
May 2027	LRAC 2.0 SP Grand Challenge session at ICASSP 2027, Toronto

^* Dates are subject to change.

^† All times for the dates indicated throughout are by 11:59 pm Pacific Time.

^{^} Up to five invited two-page papers; eligible for extension into peer-reviewed SP-OJ publications.